Level 25
Your base DEX at level 25 should be 45, with an additional DEX +5 gained from a DEX +3 Green Bamboo Hat and DEX +2 level 20 gloves. By now you should also have a Meba that is scrolled with seven 100% Glove Attack scrolls. You'll be using this until level 40 when you get a Adamantium Claw.

Level 30
At level 30 your base DEX will still be 45, but you'll also get an additional DEX +12 by scrolling (or buying) your Bathrobe to DEX +10 and the rest you can get by switching between your Green or Brown Bamboo Hat (for LUK +3). You won't have enough DEX to equip any new gloves so stick with the Meba +7.

Level 50
By level 50 your base DEX will be 66. You'll still be wearing your DEX +3 Green Bamboo Hat, DEX +2 from level 20 gloves, DEX +5 from cape (scrolled with five 100% DEX scrolls), and a DEX +14 Bathrobe which you can make by scrolling the first slot with 10% and the other nine with 100% DEX scrolls. This should give you a total of DEX +24 from scrolled equipment. You can try to scroll an even better Bathrobe by doing a 10% on your first slot and 60% on the remaining slots.

By the time you're level 50+ you will mostly be training in Ossyria, which has a slippery ground, meaning you'll need to replace your thief shoes with snowshoes, preferably scrolled for DEX. Do not waste your time scrolling your shoes for Speed or Jump because your Haste will take care of this. Jump scrolls do add DEX, but you'll benefit more form straight DEX shoe scrolls because they also add Avoid. DEX 100% adds Avoid +1, DEX 60% adds Avoid +2 and DEX 10% for shoes adds Avoid +5, ACC +3, Speed +1. It is possible to be even more DEXless by wearing snowshoes that have been scrolled with shoe jump. However, you'll be sacrificing a lot of Avoid without much benefit in attack power, so it's better to stick with DEX scrolls.

Eventually, the DEX +2 level 20 gloves will be replaced by level 50 Brown Moon gloves scrolled with glove attack scrolls. At that point you'll want to add DEX +2 from your skill points when you level to make up for the loss. Anytime you have the bare minimum DEX to equip your claw, you can replace any of your DEX equipment with LUK equipment.

Level 60
At level 60 if you get a Bronze or Dark Gigantic (level 60 claw) you can replace your green bamboo hat with a DEX +4 if you can find one.

You should have a base DEX of 77 with the following possible DEX gained from equipment:
• DEX +4 Green Sonata
• DEX +5 Cape
• DEX +14 Bathrobe

This is only an example. If you manage to do a better job of scrolling your equipment for added DEX, then you'll have lower base DEX and higher LUK.

Level 70
At level 70 if you have gotten a bathrobe with DEX you're satisfied with, along with a level 70 claw, you can switch from your DEX +4 Green Sonata to an above average Silver Identity level 60 hat with LUK +4, DEX +1 or LUK +3, DEX +2. It must be above LUK +3, DEX +1, otherwise you should keep using your DEX +4 Green Sonata.

Level 80
At level 80, if you have gotten a bathrobe with DEX you're satisfied with, along with a level 80 claw, you can replace your Silver Identity with Blood, White or Purple Nightfox level 70 hat with LUK +1, DEX +1 or LUK +3, DEX +2. It's unlikely, but you might also find a Nightfox with LUK +4, DEX +2 or LUK +3, DEX +3.

Level 90
The same applies at level 90, however the level 90 claw is very hard to get since it is dropped by Zakum or Anego (a level 100+ monster in Japanese Maple Story). You can replace your hat with a LUK +3, DEX +3 or LUK +4, DEX +2 Pirate hat. Pirate hats can have LUK +4, DEX +3 or DEX +4, LUK +3 but this is rare. At this point you can replace your level 50 Brown Moon glove scrolled with attack to a level 80 glove scrolled with attack. This is because the level 80 glove adds LUK +4, DEX +2.

Never get Disorder past 3 or Dark Sight past 10 because you need those points for other skills.

If the thief is not your first character and you're rich:
• Keen Sight +8
• Lucky 7 +20

You'll be able to buy as many MP and warrior pots as you need. This will allow you to attempt the harder monsters earlier. It is better to make a thief as a first character and stay with it, rather than to create another character first and use it to raise money. People with one character tend to level to higher levels earlier and make more money in the long run than people who make two characters.

You don't get the last point of Mastery or the last point of Drain because they will cost you points in Booster. Level 20 Mastery only adds ACC +1 and 10 star capacity, while level 30 Drain is 160% damage, 60% drained and level 29 Drain is 157% damage, 59% drained. You will use Booster very often so it is good to have level 20 Booster.

Hermit - 3rd job

As soon as you hit level 70 you job change to Hermit. Upon job change you get 5 stat points and 1 skill point for a total of 151 usable skill points by level 120.
• Shadow partner +30
• Avenger +5
• Flash jump +20

This is a must. The rest is kind of questionable because a majority of Hermit skills are either for saving or making more mesos or just plain not that useful.

• Alchemist +20
• Meso up +20
• Avenger +30.

At this point you have a choice of either getting Shadow Meso which is a skill that drains more mesos per attack than it's really worth. Shadow Web is also not that great because I hear it's melee range and you will be doing a lot of your attacks from long range. Even Avenger is not that great because it does not curve when shot, it only goes in a horizontal straight line. So with the leftover points you can finish up Endure, Drain, Mastery if you want.

Read my training guide if you're not sure where to train from levels 1-90

Misc

Things you should spend money on prior to buying stars other than Subi, although DEX Bathrobe is always first priority:

• Level 20 claw.
• Green Bamboo Hat.
• Level 20 DEX +2, which is the basic level 20 glove you get from doing Nella's quest in Kerning, but upgraded.
• level 25 claw and seven 100% claw ATK scrolls.
• DEX +10 Bathrobe.
• Level 40 claw and seven 100% claw ATK scrolls.
• Level 30 snowshoes and seven Scrolls for Shoes for DEX 100% which will also give you Avoid +7.
• DEX +14 Bathrobe.
• Five Scrolls for Cape for DEX 100%.
• Level 50 claw and seven claw ATK scrolls.
• 18-23 sets of Mokbis and Wooden tops, although don't let it interfere with funds for claw creation.
• 18-23 sets of Kumbis (either found or bought, although they are very easy to find).
• Level 50 claw scrolled with 60% scrolls until you have ATK +36 or more. This means that at least five 60% scrolls must work.
• DEX +15-23 DEX Bathrobe. Odds are this will be the last bathrobe you ever wear, make sure you have it before wearing level 60 or 70 claw.
• ATK +10-11 level 50 Brown Moon glove. Very expensive process.

• You will most likely find your own level 60 claw from Taurospear or Dark Yeti n Pepe drop but since these are very hard to hunt, most people go from level 50 claw to level 70 claw. You will most likely find your own level 70 claw, DEX +5 green from Dark Yeti (or transformed), LUK +5 Dark from Cerebes, LUK +5 Blue from Werewolves, LUK +4 Yellow from Jr. Balrog.

• I recommend hunting for the Green Scarab because the exp on Dark Yeti n Pepe in the Dangerous Cliff map is about 70-80% as fast as Zombies while Cerebes are only around 50% as fast as zombies. Werewolves have low spawn. Jr balrog is a pansy.

• 18-23 sets of Icicles then Tobis
• 18-23 sets of Steelies (very long run)
• 18-23 sets of Ilbi (even more long run =P)

Final tidbits of info

Helmets are to be scrolled with helmet HP not helmet DEF because later on, more max HP equals more HP that can be drained per shot of drain because of the 1/2 of max hp drainable cap.

With each level you gain LUK +5, which is equivalent to Avoid +2.5. Using this info

Comparison of shoe jump vs shoe DEX for single scrolls: just considering DEX and Avoid, jump caps off at 123% and accuracy from the DEX or just the accuracy stat just doesn't really make any difference since thieves already hit 100% of the time due to an already high amount of accuracy from a lot of base DEX and base LUK.

60% - 2 Jump, 1 DEX vs 2 Avoid, 1 ACC
Jump 60% - the DEX +1 will give Avoid +0.7 in a proper build (Avoid +0.2 Avoid from the DEX itself, Avoid +0.5 Avoid from the extra LUK that gets pumped) along with ATK +0.2. Lets say that one level would be LUK +5 and lets say the DEX +1 here equals LUK +1. The DEX by itself also adds a tiny bit of damage, although quite small, lets also say a level of Avoid would be Avoid +2.5 since LUK +5 = 2.5 Avoid. In the end, you get ATK +0.2, Avoid +0.28 (divide 0.7 by 2.5), and a very small amount of attack from the DEX itself. If you ever stare at your min/max damage while adding DEX you'll notice there's a very small increase of max damage from DEX, somewhere in the ballpark of each single point of DEX = about 0.2.0.28 the max damage you'd get from a single point of LUK.

So in the end if you count bonuses from equipment for attacking/Avoid upon contact purposes.

Jump 60% 0.48 against DEX 60% 0.8
Jump 10% 1.44 against DEX 10% 2

So in the end shoe DEX gives more bonuses. Some might say the extra Avoid is worthless compared to the slight damage boost from shoe jump but the harder monsters will have more accuracy so it's good to have as much Avoid as you can get against them. Main difference between attack oriented low DEX and Avoid oriented low DEX is just in the shoes, attack oriented will use shoe jump, Avoid oriented will use shoe DEX.